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Composition Of Saliva 2010
- 3. Saliva Definition : Secretions of salivary glands (parotid and submandibular/sublingual) Composition of Saliva : 4 major components 1-mucus that serves as a lubricant. 2-amylase ->initiates the digestion of starch. 3-lingual lipase -> begins digestion of fat. 4-electrolyte solution (Na+,Cl - , K+, HCO3 - -> moistens food. 5-proteins& enzymes: Statherins, Proline-rich Proteins (PRPs), Histatins, Cystatins, Lysozyme, Salivary peroxidase Dr/ Ragaa Salama
- 5. functions of saliva Dr/ Ragaa Salama Salivary Families Anti- Bacterial Buffering Digestion Mineral- ization Lubricat- ion &Visco- elasticity Tissue Coating Anti- Fungal Anti- Viral Carbonic anhydrases, Histatins Amylases, Mucins, Lipase Cystatins, Histatins, Proline- rich proteins, Statherins Mucins, Statherins Amylases, Cystatins, Mucins, Proline-rich proteins, Statherins Histatins Cystatins, Mucins Amylases, Cystatins, Histatins, Mucins, Peroxidases
- 14. Regulation of oral microorganisms by SP/MP Dr/ Ragaa Salama Food Ingestion carbohydrates Stimulation Metabolism H + Recovery O 2 thiols Inhibition Salivary Glands SCN - + H 2 O 2 OSCN - /HOSCN Autoinhibition spontaneous +SP Unstimulated bacteria Inhibited bacteria Active bacteria
![Biochemistry of saliva ,[object Object],[object Object],[object Object],Dr/ Ragaa Salama](https://image.slidesharecdn.com/compositionofsaliva2010-100122114102-phpapp02/85/composition-of-saliva-2010-1-320.jpg)
![Clinical Highlights ,[object Object],[object Object],[object Object],[object Object],Dr/ Ragaa Salama](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)